Brightest
NORAD ID: 21574
Int'l Code: 1991-050A
Perigee: 753.5 km
Apogee: 801.5 km
Inclination: 98.3 °
Period: 100.2 minutes
Semi major axis: 7148 km
Launch date: July 17, 1991
Source: European Space Agency (ESA)
Two Line Element Set (TLE):
1 21574U 91050A 13168.47347556 .00000119 00000-0 54644-4 0 6607
2 21574 098.2640 134.8718 0033552 008.1064 138.6359 14.36411387147790
Source:
NASA's NSSDC Master Catalog entry for ERS 1
